class Game(object):
    top_score = 0

    def __init__(self, player_name):
        self.player_name = player_name

    @staticmethod
    def show_help():
        print("游戏帮助：阻止...")

    @classmethod
    def show_top_score(cls):
        print("最高分是：%d" % cls.top_score)

    def start_game(self):
        print("%s 加入了游戏" % self.player_name)


Game.show_help()

Game.show_top_score()

fst = Game("tianfeng")

fst.start_game()
